The characteristics, harmfulness, causes of formation, prediction of space, evaluation of hazard grade of mountain torrent disaster are analysed and summarized.

• 对我国近年来发生山洪灾害的特征、危害、成因、空间预报、风险度评估和防治措施等进行了概括、总结和分析,为全国山洪灾害防治规划的制定提供参考。